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intussusception

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intussusception


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Intussusception  \In`tus*sus*cep"tion\,  n.  [L.  intus  within  + 
  susception.  Cf  {Introsusception}.] 
  1.  The  reception  of  one  part  within  another. 
 
  2.  (Med.)  The  abnormal  reception  or  slipping  of  a  part  of  a 
  tube,  by  inversion  and  descent,  within  a  contiguous  part 
  of  it  specifically,  the  reception  or  slipping  of  the 
  upper  part  of  the  small  intestine  into  the  lower; 
  introsusception;  invagination.  --Dunglison. 
 
  3.  (Bot.)  The  interposition  of  new  particles  of  formative 
  material  among  those  already  existing,  as  in  a  cell  wall, 
  or  in  a  starch  grain. 
 
  4.  (Physiol.)  The  act  of  taking  foreign  matter,  as  food,  into 
  a  living  body;  the  process  of  nutrition,  by  which  dead 
  matter  is  absorbed  by  the  living  organism,  and  ultimately 
  converted  into  the  organized  substance  of  its  various 
  tissues  and  organs. 
 
  Dead  bodies  increase  by  apposition;  living  bodies  by 
  intrussusception.  --McKendrick. 
 
  From  WordNet  r  1.6  [wn]: 
 
  intussusception 
  n  :  the  folding  in  of  an  outer  layer  so  as  to  form  a  pocket  in 
  the  surface  [syn:  {invagination},  {infolding}] 




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